C language Programs

void main()

{

int const * p=5;

printf("%d",++(*p));

}

*********************************************************

main()

{

char s[ ]="man";

int i;

for(i=0;s[ i ];i++)

printf("\n%c%c%c%c",s[ i ],*(s+i),*(i+s),i[s]);

}

*********************************************************

main()

{

float me = 1.1;

double you = 1.1;

if(me==you)

printf("I love U");

else

printf("I hate U");

}

*********************************************************

main()

{

static int var = 5;

printf("%d ",var--);

if(var)

main();

}

*********************************************************

void main()

{

int b,x,y,z;

clrscr();

x=1;

y=2;

z=3;

if((x>1)||(y>1))

if(z>1)

printf("ok\n");

else

if((x>1) && (z>3))

printf("bye\n");

printf("hello" );

}

*********************************************************

main()

{

float balance=1000.0,loan;

loan=balance/10;

if((balance>500)||(loan<500))

printf("good");

if(balance<500)||(loan<500)

printf("caution");

}

*********************************************************

main()

{

float balance=1000.0,loan;

loan=balance/10;

if((balance>500)||(loan<500))

printf("good");

if((balance<500)||(loan<500))

printf("caution");

}

*********************************************************

main()

{

double c;

clrscr();

scanf("%c",c);

}

*********************************************************

main()

{

char ch;

clrscr();

scanf("%c",&ch);

switch(ch)

{

case 'r': printf("red");

case 'w': printf("wite");

default: printf("defau");

break;

}

}

*********************************************************

main()

{

int c=- -2;

printf("c=%d",c);

}

*********************************************************

#define int char

main()

{

int i=65;

printf("sizeof(i)=%d",sizeof(i));

}

*********************************************************

main()

{

int i=10;

i=!i>14;

Printf ("i=%d",i);

}

*********************************************************

#include<stdio.h>

main()

{

char s[]={'a','b','c','\n','c','\0'};

char *p,*str,*str1;

p=&s[3];

str=p;

str1=s;

printf("%d",++*p + ++*str1-32);

}

*********************************************************

#include<stdio.h>

main()

{

int a[2][2][2] = { {10,2,3,4}, {5,6,7,8} };

int *p,*q;

p=&a[2][2][2];

*q=***a;

printf("%d----%d",*p,*q);

}

*********************************************************

#include<stdio.h>

main()

{

struct xx

{

int x=3;

char name[]="hello";

};

struct xx *s;

printf("%d",s->x);

printf("%s",s->name);

}

*********************************************************

#include<stdio.h>

main()

{

struct xx

{

int x;

struct yy

{

char s;

struct xx *p;

};

struct yy *q;

};

}

*********************************************************

main()

{

printf("\nab");

printf("\bsi");

printf("\rha");

}

*********************************************************

main()

{

int i=5;

printf("%d%d%d%d%d%d",i++,i--,++i,--i,i);

}

*********************************************************

#define square(x) x*x

main()

{

int i;

i = 64/square(4);

printf("%d",i);

}

*********************************************************

main()

{

printf("%p",main);

}

*********************************************************

main()

{

clrscr();

}

clrscr();

*********************************************************

enum colors {BLACK,BLUE,GREEN}

main()

{

printf("%d..%d..%d",BLACK,BLUE,GREEN);

return(1);

}

*********************************************************

void main()

{

char far *farther,*farthest;

printf("%d..%d",sizeof(farther),sizeof(farthest));

}

*********************************************************

main()

{

char *p;

p="Hello";

printf("%c\n",*&*p);

}

*********************************************************

main()

{

static char names[5][20]={"pascal","ada","cobol","fortran","perl"};

int i;

char *t;

t=names[3];

names[3]=names[4];

names[4]=t;

for (i=0;i<=4;i++)

printf("%s",names[i]);

}

*********************************************************

void main()

{

int i=5;

printf("%d",i++ + ++i);

}

*********************************************************

void main()

{

int i=5;

printf("%d",i+++++i);

}

*********************************************************

main()

{

int i;

printf("%d",scanf("%d",&i)); // value 100 is given as input here

}

*********************************************************

#define f(g,g2) g##g2

main()

{

int var12=100;

printf("%d",f(var,12));

}

*********************************************************

main()

{

int i=0;

for(;i++;printf("%d",i)) ;

printf("%d",i);

}

*********************************************************

#include<stdio.h>

main()

{

char s[]={'a','b','c','\n','c','\0'};

char *p,*str,*str1;

p=&s[3];

str=p;

str1=s;

printf("%d",++*p + ++*str1-32);

}

*********************************************************

#include<stdio.h>

main()

{

struct xx

{

int x=3;

char name[]="hello";

};

struct xx *s=malloc(sizeof(struct xx));

printf("%d",s->x);

printf("%s",s->name);

}

*********************************************************

#include<stdio.h>

main()

{

struct xx

{

int x;

struct yy

{

char s;

struct xx *p;

};

struct yy *q;

};

}

*********************************************************

main()

{

extern int i;

i=20;

printf("%d",sizeof(i));

}

*********************************************************

main()

{

printf("%d", out);

}

int out=100;

*********************************************************

main()

{

extern out;

printf("%d", out);

}

int out=100;

*********************************************************

main()

{

show();

}

void show()

{

printf("I'm the greatest");

}

*********************************************************

main( )

{

int a[2][3][2] = {{{2,4},{7,8},{3,4}},{{2,2},{2,3},{3,4}}};

printf("%u %u %u %d \n",a,*a,**a,***a);

printf("%u %u %u %d \n",a+1,*a+1,**a+1,***a+1);

}

*********************************************************

main( )

{

char *q;

int j;

for (j=0; j<3; j++) scanf("%s" ,(q+j));

for (j=0; j<3; j++) printf("%c" ,*(q+j));

for (j=0; j<3; j++) printf("%s" ,(q+j));

}

*********************************************************

main( )

{

void *vp;

char ch = ‘g’, *cp = "goofy";

int j = 20;

vp = &ch;

printf("%c", *(char *)vp);

vp = &j;

printf("%d",*(int *)vp);

vp = cp;

printf("%s",(char *)vp + 3);

}

*********************************************************

main ( )

{

static char *s[ ] = {"black", "white", "yellow", "violet"};

char **ptr[ ] = {s+3, s+2, s+1, s}, ***p;

p = ptr;

**++p;

printf("%s",*--*++p + 3);

}

*********************************************************

main()

{

int i, n;

char *x = "girl";

n = strlen(x);

*x = x[n];

for(i=0; i<n; ++i)

{

printf("%s\n",x);

x++;

}

}

*********************************************************

main()

{

int i=-1;

+i;

printf("i = %d, +i = %d \n",i,+i);

}

*********************************************************

void main()

{

struct{

char name[20];

float x;

}ab;

clrscr();

scanf("%s %f",ab.name,&ab.x);

printf("%s%f",ab.name,ab.x);

}

*********************************************************

#define two(x) x+x

#define ddouble(x) x+x

main()

{

int sum,num,product;

clrscr();

num=1;

sum=-two(num);

-sum;

product=-ddouble(num);

printf("%5d%5d",sum,product);

}

*********************************************************

main()

{

char s[33];

clrscr();

scanf("%[^\n]",s);

printf("%s",s);

}

*********************************************************

void main()

{

int sum,index;

-index=50;

while(index>=0)

{

sum=sum/index;

-index;

}

}

*********************************************************

void main()

{

int b,x,y,z;

clrscr();

x=1;

y=2;

z=3;

if((x>1)||(y>1))

if(z>1)

printf("ok\n");

else

if((x>1) && (z>3))

printf("bye\n");

printf("hello" );

}

*********************************************************

main()

{

float balance=1000.0,loan;

loan=balance/10;

if((balance>500)||(loan<500))

printf("good");

if(balance<500)||(loan<500)

printf("caution");

}

*********************************************************

main()

{

float balance=1000.0,loan;

loan=balance/10;

if((balance>500)||(loan<500))

printf("good");

if((balance<500)||(loan<500))

printf("caution");

}

*********************************************************

main()

{

double c;

clrscr();

scanf("%c",c);

}

*********************************************************

main()

{

char ch;

clrscr();

scanf("%c",&ch);

switch(ch)

{

case 'r': printf("red");

case 'w': printf("wite");

default: printf("defau");

break;

}

}

*********************************************************

main()

{

int c;

clrscr();

scanf("%d",&c);

while((c>0)&&(c<60))

{

printf("%d",c);

c++;

}

}

*********************************************************

main()

{

int i,found,false;

clrscr();

found=false;

for(i=1;i<=50&&found==false;i++)

printf("%d",i) ;

}

*********************************************************

main()

{

int a,b,c,z;

clrscr();

scanf("%d%d%d",&a,&b,&c);

printf("%d%d%d",a,b,c);

}

*********************************************************

main()

{

int a;

float b;

char c;

clrscr();

scanf("%3d%5f%c",&a,&b,&c);

printf("%3d %5f %c",a,b,c);

}

*********************************************************

main()

{

int d;

float f;

char s[100];

clrscr();

scanf("%s,%*d,%f",s,&d,&f);

printf("%s %d %f",s,d,f);

}

*********************************************************

main()

{

int d=12345;

float f=145.678;

clrscr();

printf("%3d,%5d,%8d",d,d,d);

}

struct cir

{

float ra;

struct point centre;

}cir 1;

struct point

{

int x;

int y;

}

*********************************************************

main()

{

int d=12345;

float f=145.678;

clrscr();

printf("%3d,%5d,%8d",d,d,d);

}

*********************************************************

main()

{

int i=0;

char cl='a';

clrscr();

while(cl>='a'&&cl<='z')

{

cl++;

i++;

printf("%d",i);

}

}

*********************************************************

main()

{

int a,x,n;

scanf("%d",&a);

x=test(a);

printf("%d",x);

}

test(int n)

{

int i;

long int prod=1;

if(n>1)

for(i=2;i<=n;i++)

prod*=i;

return(prod);

}

*********************************************************

main()

{

int a,x,n,b;

scanf("%d%d",&a,&b);

x=test(a,b);

printf("%d",x);

}

test(int n,int m)

{

int z;

z=(nm(n)>=nm(m))?n:m;

return(z);

}

*********************************************************

void main()

{

char a[20];

clrscr();

scanf("%[^\n]",a);

printf("%s",a);

}

*********************************************************

void main()

{

char a[20];

clrscr();

scanf("%[^\n]",a);

printf("%s",a);

}

*********************************************************

#include<stdio.h>

void test(void)

{

char c;

clrscr();

if((c=getchar())!='\n')

test();

putchar(c);

}

main()

{

clrscr();

test();

}

*********************************************************

main()

{

char s[ ]="man";

int i;

for(i=0;s[ i ];i++)

printf("\n%c%c%c%c",s[ i ],*(s+i),*(i+s),i[s]);

}

*********************************************************

main()

{

float me = 1.1;

double you = 1.1;

if(me==you)

printf("I love U");

else

printf("I hate U");

}

*********************************************************

main()

{

static int var = 5;

printf("%d ",var--);

if(var)

main();

}

*********************************************************

void main()

{

int b,x,y,z;

clrscr();

x=1;

y=2;

z=3;

if((x>1)||(y>1))

if(z>1)

printf("ok\n");

else

if((x>1) && (z>3))

printf("bye\n");

printf("hello" );

}

*********************************************************

main()

{

float balance=1000.0,loan;

loan=balance/10;

if((balance>500)||(loan<500))

printf("good");

if(balance<500)||(loan<500)

printf("caution");

}

*********************************************************

main()

{

float balance=1000.0,loan;

loan=balance/10;

if((balance>500)||(loan<500))

printf("good");

if((balance<500)||(loan<500))

printf("caution");

}

*********************************************************

main()

{

double c;

clrscr();

scanf("%c",c);

}

*********************************************************

main()

{

char ch;

clrscr();

scanf("%c",&ch);

switch(ch)

{

case 'r': printf("red");

case 'w': printf("wite");

default: printf("defau");

break;

}

}

*********************************************************

main()

{

int c=- -2;

printf("c=%d",c);

}

*********************************************************

#define int char

main()

{

int i=65;

printf("sizeof(i)=%d",sizeof(i));

}

main()

{

int i=10;

i=!i>14;

Printf("i=%d",i);

}

*********************************************************

#include<stdio.h>

main()

{

char s[]={'a','b','c','\n','c','\0'};

char *p,*str,*str1;

p=&s[3];

str=p;

str1=s;

printf("%d",++*p + ++*str1-32);

}

*********************************************************

#include<stdio.h>

main()

{

int a[2][2][2] = { {10,2,3,4}, {5,6,7,8} };

int *p,*q;

p=&a[2][2][2];

*q=***a;

printf("%d----%d",*p,*q);

}

*********************************************************

#include<stdio.h>

main()

{

struct xx

{

int x=3;

char name[]="hello";

};

struct xx *s;

printf("%d",s->x);

printf("%s",s->name);

}

*********************************************************

#include<stdio.h>

main()

{

struct xx

{

int x;

struct yy

{

char s;

struct xx *p;

};

struct yy *q;

};

}

*********************************************************

main()

{

printf("\nab");

printf("\bsi");

printf("\rha");

}

*********************************************************

main()

{

int i=5;

printf("%d%d%d%d%d%d",i++,i--,++i,--i,i);

}

*********************************************************

#define square(x) x*x

main()

{

int i;

i = 64/square(4);

printf("%d",i);

}

*********************************************************

main()

{

printf("%p",main);

}

*********************************************************

main()

{

clrscr();

}

clrscr();

*********************************************************

enum colors {BLACK,BLUE,GREEN}

main()

{

printf("%d..%d..%d",BLACK,BLUE,GREEN);

return(1);

}

*********************************************************

void main()

{

char far *farther,*farthest;

printf("%d..%d",sizeof(farther),sizeof(farthest));

}

*********************************************************

main()

{

char *p;

p="Hello";

printf("%c\n",*&*p);

}

*********************************************************

main()

{

static char names[5][20]={"pascal","ada","cobol","fortran","perl"};

int i;

char *t;

t=names[3];

names[3]=names[4];

names[4]=t;

for (i=0;i<=4;i++)

printf("%s",names[i]);

}

*********************************************************

void main()

{

int i=5;

printf("%d",i++ + ++i);

}

*********************************************************

void main()

{

int i=5;

printf("%d",i+++++i);

}

*********************************************************

main()

{

int i;

printf("%d",scanf("%d",&i)); // value 100 is given as input h ere

}

*********************************************************

#define f(g,g2) g##g2

main()

{

int var12=100;

printf("%d",f(var,12));

}

*********************************************************

main()

{

int i=0;

for(;i++;printf("%d",i)) ;

printf("%d",i);

}

*********************************************************

#include<stdio.h>

main()

{

char s[]={'a','b','c','\n','c','\0'};

char *p,*str,*str1;

p=&s[3];

str=p;

str1=s;

printf("%d",++*p + ++*str1-32);

}

*********************************************************

#include<stdio.h>

main()

{

struct xx

{

int x=3;

char name[]="hello";

};

struct xx *s=malloc(sizeof(struct xx));

printf("%d",s->x);

printf("%s",s->name);

}

*********************************************************

#include<stdio.h>

main()

{

struct xx

{

int x;

struct yy

{

char s;

struct xx *p;

};

struct yy *q;

};

}

*********************************************************

main()

{

extern int i;

i=20;

printf("%d",sizeof(i));

}

*********************************************************

main()

{

printf("%d", out);

}

int out=100;

*********************************************************

main()

{

extern out;

printf("%d", out);

}

int out=100;

*********************************************************

main()

{

show();

}

void show()

{

printf("I'm the greatest");

}

*********************************************************

main( )

{

int a[2][3][2] = {{{2,4},{7,8},{3,4}},{{2,2},{2,3},{3,4}}};

printf("%u %u %u %d \n",a,*a,**a,***a);

printf("%u %u %u %d \n",a+1,*a+1,**a+1,***a+1);

}

*********************************************************

main( )

{

int a[ ] = {10,20,30,40,50},j,*p;

for(j=0; j<5; j++)

{

printf("%d" ,*a);

a++;

}

p = a;

for(j=0; j<5; j++)

{

printf("%d " ,*p);

p++;

}

}

*********************************************************

main( )

{

char *q;

int j;

for (j=0; j<3; j++) scanf("%s" ,(q+j));

for (j=0; j<3; j++) printf("%c" ,*(q+j));

for (j=0; j<3; j++) printf("%s" ,(q+j));

}

*********************************************************

main( )

{

void *vp;

char ch = ‘g’, *cp = "goofy";

int j = 20;

vp = &ch;

printf("%c", *(char *)vp);

vp = &j;

printf("%d",*(int *)vp);

vp = cp;

printf("%s",(char *)vp + 3);

}

*********************************************************

main ( )

{

static char *s[ ] = {"black", "white", "yellow", "violet"};

char **ptr[ ] = {s+3, s+2, s+1, s}, ***p;

p = ptr;

**++p;

printf("%s",*--*++p + 3);

}

*********************************************************

main()

{

int i, n;

char *x = "girl";

n = strlen(x);

*x = x[n];

for(i=0; i<n; ++i)

{

printf("%s\n",x);

x++;

}

}

*********************************************************

main()

{

int i=-1;

+i;

printf("i = %d, +i = %d \n",i,+i);

}

*********************************************************

void main()

{

struct{

char name[20];

float x;

}ab;

clrscr();

scanf("%s %f",ab.name,&ab.x);

printf("%s%f",ab.name,ab.x);

}

*********************************************************

#define two(x) x+x

#define ddouble(x) x+x

main()

{

int sum,num,product;

clrscr();

num=1;

sum=-two(num);

-sum;

product=-ddouble(num);

printf("%5d%5d",sum,product);

}

*********************************************************

void main()

{

int sum,index;

-index=50;

while(index>=0)

{

sum=sum/index;

-index;

}

}

*********************************************************

void main()

{

int b,x,y,z;

clrscr();

x=1;

=2;

=3;

if((x>1)||(y>1))

if(z>1)

printf("ok\n");

else

if((x>1) && (z>3))

printf("bye\n");

printf("hello" );

}

*********************************************************

main()

{

float balance=1000.0,loan;

loan=balance/10;

if((balance>500)||(loan<500))

printf("good");

if(balance<500)||(loan<500)

printf("caution");

}

*********************************************************

main()

{

float balance=1000.0,loan;

loan=balance/10;

if((balance>500)||(loan<500))

printf("good");

f((balance<500)||(loan<500))

printf("caution");

}

*********************************************************

main()

{

double c;

clrscr();

scanf("%c",c);

}

*********************************************************

main()

{

char ch;

clrscr();

scanf("%c",&ch);

switch(ch)

{

case 'r': printf("red");

case 'w': printf("wite");

default: printf("defau");

break;

}

}

*********************************************************

main()

{

int c;

clrscr();

scanf("%d",&c);

while((c>0)&&(c<60))

{

printf("%d",c);

c++;

}

}

*********************************************************

main()

{

int i,found,false;

clrscr();

found=false;

for(i=1;i<=50&&found==false;i++)

printf("%d",i) ;

}

*********************************************************

main()

{

int a,b,c,z;

clrscr();

scanf("%d%d%d",&a,&b,&c);

printf("%d%d%d",a,b,c);

}

*********************************************************

main()

{

int a;

float b;

char c;

clrscr();

scanf("%3d%5f%c",&a,&b,&c);

printf("%3d %5f %c",a,b,c);

}

*********************************************************

main()

{

int d;

float f;

char s[100];

clrscr();

scanf("%s,%*d,%f",s,&d,&f);

printf("%s %d %f",s,d,f);

}

*********************************************************

main()

{

int d=12345;

float f=145.678;

clrscr();

printf("%3d,%5d,%8d",d,d,d);

}

struct cir

{

float ra;

struct point centre;

}cir 1;

struct point

{

int x;

int y;

}

*********************************************************

main()

{

int d=12345;

float f=145.678;

clrscr();

printf("%3d,%5d,%8d",d,d,d);

}

*********************************************************

main()

{

int i=0;

char cl='a';

clrscr();

while(cl>='a'&&cl<='z')

{

cl++;

i++;

printf("%d",i);

}

}

*********************************************************

main()

{

int a,x,n;

scanf("%d",&a);

x=test(a);

printf("%d",x);

}

test(int n)

{

int i;

long int prod=1;

if(n>1)

for(i=2;i<=n;i++)

prod*=i;

return(prod);

}

*********************************************************

main()

{

int a,x,n,b;

scanf("%d%d",&a,&b);

x=test(a,b);

printf("%d",x);

}

test(int n,int m)

{

int z;

z=(nm(n)>=nm(m))?n:m;

return(z);

}

*********************************************************

1..

main()

{

int const * p=5;

printf("%d",++(*p));

}

*********************************************************

main()

{

char s[ ]="man";

int i;

for(i=0;s[ i ];i++)

printf(" %c%c%c%c",s[ i ],*(s+i),*(i+s),i[s]);

}

*********************************************************

main()

{

float me = 1.1;

double you = 1.1;

if(me==you)

printf love U");

else

printf("I hate U");

}

*********************************************************

main()

{

static int var = 5;

printf("%d ",var--);

if(var)

main();

}

*********************************************************

main()

{

int c=- -2;

printf("c=%d",c);

}

*********************************************************

 

.