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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. static void find_destructive(char *s) {
  5.     char *p_sl = strrchr(s, '/');
  6.     if (p_sl) {
  7.         *p_sl = '\0';
  8.         printf("[%s] [%s]\n", s, p_sl + 1);
  9.     } else {
  10.         printf("Cannot find any slashes.\n");
  11.     }
  12. }
  13.  
  14. static void find_transparent(const char *s) {
  15.     const char *p_sl = strrchr(s, '/');
  16.     if (p_sl) {
  17.     	char *first = (char *)malloc(p_sl - s + 1);
  18.     	if ( ! first) {
  19.     	    perror("malloc for a temp buffer: ");
  20.     	    return;
  21.     	}
  22.     	memcpy(first, s, p_sl - s);
  23.     	first[p_sl - s] = '\0';
  24.         printf("[%s] [%s]\n", first, p_sl + 1);
  25.         free(first);
  26.     } else {
  27.         printf("Cannot find any slashes.\n");
  28.     }
  29. }
  30.  
  31. int main() {
  32.     char s[] = "home/usr/wow/muchprogram";
  33.  
  34.     find_transparent(s);
  35.     find_destructive(s);
  36.  
  37.     return 0;
  38. }
Success #stdin #stdout 0s 2380KB
comments (?)
stdin
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Standard input is empty
stdout
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[home/usr/wow] [muchprogram]
[home/usr/wow] [muchprogram]
https://ideone.com/vApvqp
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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