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start string.h

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pommicket 2022-02-16 15:57:45 -05:00
parent 3a3f6cc424
commit c29bc36514
2 changed files with 72 additions and 15 deletions
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20
05/main.c
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@ -3,7 +3,7 @@
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
int compar(const void *a, const void *b) {
int i = *(int *)a;
@ -14,20 +14,10 @@ int compar(const void *a, const void *b) {
}
int main(int argc, char **argv) {
ldiv_t l = ldiv(1000000000007, 5937448);
printf("%ld %ld\n",l.quot,l.rem);
int nums[10] = {8,34,1086,3872,-123,5873,3843,1762,INT_MAX,INT_MIN};
int i;
for (i = 0; i < 10; ++i) nums[i] = abs(nums[i]);
qsort(nums, 10, sizeof(int), compar);
for (i = 0; i < 10; ++i) printf("%d ", nums[i]);
printf("\n");
int search = 34;
int *p = bsearch(&search, nums, 10, sizeof(int), compar);
if (p)
printf("Found %d\n",*p);
else
printf("No match\n");
char buf[36];
memset(buf, 'a', sizeof buf);
strncpy(buf, "hello, world!\n",36);
printf("%d\n",strcmp(buf, "hello, world!\n"));
return 0;
}