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  1. #include <stdio.h>
  2.  
  3. int strinstr(const char *what, int length, char *in) {
  4.   int i = 0, ret = 0;
  5.   while (((what + i) && (in + i)) && (i < length) 
  6.      && (ret = (*(what + i) == *(in + i)))) 
  7.     ++i;
  8.   return ret;
  9. }
  10.  
  11. int main(void) {
  12.   char *In = "this is a test";
  13.   printf("strinstr(char *, int, char *) : %d\n", strinstr("this", 4, In));
  14.   printf("strinstr(char *, int, char *) : %d\n", strinstr("is", 2, In + 5));
  15.   printf("strinstr(char *, int, char *) : %d\n", strinstr("a", 1, In + 8));
  16.   printf("strinstr(char *, int, char *) : %d\n", strinstr("test", 4, In + 10));
  17.   return 0;
  18. }
  19.  
Success #stdin #stdout 0s 9432KB
comments (?)
stdin
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Standard input is empty
stdout
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strinstr(char *, int, char *) : 1
strinstr(char *, int, char *) : 1
strinstr(char *, int, char *) : 1
strinstr(char *, int, char *) : 1
https://ideone.com/1MCWwk
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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