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Trim in ANSII C

/ Published in: C
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These functions will allow you to trim left and right on a string

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  1. char *trim(char *str)
  2. {
  3. 	char *out = str;
  4. 	out = trim_left(out);
  5. 	out = trim_right(out);
  6. 	return out;
  7. }
  8.  
  9. char *trim_left(char *str)
  10. {
  11.      if(str[0] != ' ' || str[0] == '\0') return str;
  12.      return trim_left(str++);
  13. }
  14.  
  15. char *trim_right(char *str)
  16. {
  17. 	int len = strlen(str) - 1;
  18. 	if(len == 0 || str[len] != ' ') return str;
  19. 	str[strlen(str)-1] = '\0';
  20. 	return trim_right(str);
  21. }

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