Answer / vinay tiwari

this can be achieved by file handling

#include<stdio.h>
void main()
{
FILE *fp;
char ch;
clrscr();
fp=fopen("file.c","r");
ch=getc(fp);
while(ch!=EOF)
{
putchar(ch);
ch=getc(fp);
}
getch();
}

Answer / manish

#include<stdio.h>

char*s="char*s=%c%s%c;main(){printf(s,34,s,34);}";
main()
{
printf(s,34,s,34);
}

Answer / joyab

#include <stdio.h>

int main()
{
char a[] = "int main(){char a[] = %c%s%c; char b = '%c'; printf(a,b,a,b,b);}";
char b = '"';

printf(a,b,a,b,b);
}

Answer / abhishek

#include <stdio.h>

static char prog[] = "#include <stdio.h>%c%cstatic char prog[] = %c%s%c;%c%cint main(void)%c{%c printf(prog, 10, 10, 34, prog, 34, 10, 10, 10, 10, 10, 10, 10);%c return 0;%c}%c";

int main(void)
{
printf(prog, 10, 10, 34, prog, 34, 10, 10, 10, 10, 10, 10, 10);
return 0;
}

Answer / swamy

#include<stdio.h>
#include<conio.h>
int main()
{
FILE * fp = NULL;
char c = '\0';
fp = fopen(__FILE__,"r");
while(!feof(fp))
{
c = fgetc(fp);
printf("%c",c);
}
getch();
}

Answer / hillel

#include<fstream>
void main()
{
std::ifstream is(__FILE__);

while(!is.eof())
printf("%c", is.get());

is.close();
}

Answer / yang

main(a){printf(a,34,a="main(a){printf(a,34,a=%c%s%c,34);}",34);}

copied from somewhere, but it works

Answer / neenu jacob

#include <stdio.h>

main()
{
int pid,ppid;
int q=getpid();
int gid,egid,uid,euid;
int f=fork();
if (f==0)
{
printf("hai\n%d\n%d\n%d",getuid(),geteuid());

}
else
{
pid=getpid();
ppid=getppid();
printf("%d\n%d\n%d\n%d",pid,ppid,q,f);
}
system("cat /home/mec/lab1.c");
}

Answer / vikraman85

This can be achieved by file handling,
If r is the name of this file;The following codewil print
this prg.

#include<stdio.h>
void main()
{
FILE *fp;
char ch;
clrscr();
fp=fopen("file.c","r");
ch=getc(fp);
while(ch!=EOF)
{
putchar(ch);
ch=getc(fp);
}
getch();
}

Answer / mobashyr

#include<stdio.h>
#include<conio.h>


int main()
{
FILE *fin;
char c;
fin=fopen("prntsrccode.c","r");
if(fin==NULL)
{
printf("Error Opening file in read mode");
exit(1);
}
do
{
c=fgetc(fin);
fputchar(c);
}while(c!=EOF);

fclose(fin);

getch();
return 0;
}

main() { int ptr[] = {1,2,23,6,5,6}; printf("%d",&ptr[3]-&ptr[0]); }

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code for bubble sort?

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how to find that no is int or float?

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How does free() know how many bytes to free?

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in one file global variable int i; is declared as static. In another file it is extern int i=100; Is this valid ?

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Is c programming hard?

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Which header file should you include if you are to develop a function which can accept variable number of arguments?

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Why isn't any of this standardized in c? Any real program has to do some of these things.

0 Answers