#includestdarg.h#includestdio.hint sum(int, ...);int main(void) {printf(Sum of 10, 20 and 30 = %d\\n,sum(3, 10, 20, 30) );

#include stdarg.h#include stdio.hint sum(int, ...);int main () {printf(Sum of 15 and 56 = %d\\n,sum(2, 15, 56) );

#include stdio.h#include math.hint main () {double x, ret;x = 0.5;ret = sinh(x);printf(The hyperbolic sine of %lf is %lf degrees, x, ret);

#include stdio.h#include stdlib.h#include string.hint main () {long val;char str[20];

#include stdio.h#include math.hint main () {int a, b;a = 1234;b = -344;printf(The absolute value of %d is %lf\\n, a, fabs(a));

#include stdio.h#include stdlib.h#include setjmp.hint main () {int val;jmp_buf env_buffer;

#include stdio.h#include stdlib.h#include setjmp.hint main () {int val;jmp_buf env_buffer;

#include signal.h#include stdio.h#include stdlib.hvoid signal_catchfunc(int);

#include stdio.h#include math.hint main () {printf(Square root of %lf is %lf\\n, 4.0, sqrt(4.0) );

#include stdio.h// ----------------------------// ----------------------------int main () {char buf[BUFSIZ];

#include stdio.hint main () {char str[] = This is yiibai.com;FILE *fp;int ch;/* First lets write some content in the file */

// #include stdio.hint main () {FILE *fp;char c;fp = fopen(file.txt, w);

#include stdio.h#include string.h#include unistd.hint main () {char buff[1024];

#include stdio.h#include string.hint main () {FILE *fp;char c[] = this is yiibai;

// -----------------------#include stdio.h#include float.hint main () {printf(The maximum value of float = %.10e\\n, FLT_MAX);

#include stdio.h#include limits.hint main() {printf(The number of bits in a byte %d\\n, CHAR_BIT);

#include locale.h#include stdio.h#include time.hint main () {time_t currtime;

#include locale.h#include stdio.hint main () {struct lconv * lc;setlocale(LC_MONETARY, it_IT);

#include stdio.h#include math.h#define PI 3.14159265int main () {double x, ret, val;x = 60.0;

#include stdio.h#include stdlib.hint main () { char str[30] = 20.30300 This is test;