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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. void trim(char **s) {
  6. 	while ((*s)[0] == ' ') (*s)++;
  7. 	int max = strlen(*s);
  8. 	while ((*s)[--max] == ' ');
  9. 	(*s)[max+1] = '\0';
  10. }
  11. int main() {
  12. 	char *s = (char *)malloc(50+1);
  13. 	strcpy(s, "        asdf   fdsa fdsa    ");
  14. 	printf("\"%s\"\n", s);
  15. 	trim(&s);
  16. 	printf("\"%s\"\n", s);
  17.  
  18. 	return 0;
  19. }
Success #stdin #stdout 0.01s 2856KB
comments (?)
stdin 
Standard input is empty
stdout 
"        asdf   fdsa fdsa    "
"asdf   fdsa fdsa"
https://ideone.com/eoEIG6
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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