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  1. #include <stdio.h>
  2. #include <ctype.h>
  3.  
  4. void trim (char *s)
  5. {
  6.     int i;
  7.  
  8.     while (isspace (*s)) s++;   // skip left side white spaces
  9.     for (i = strlen (s) - 1; (isspace (s[i])); i--) ;   // skip right side white spaces
  10.     s[i + 1] = '\0';
  11.     printf ("%s\n", s);
  12. }
  13.  
  14. int main(void) {
  15.     char str[] = "Hello World     ";
  16.     printf("%s!!\n", str);
  17.     trim(str);
  18.     printf("%s!!\n", str);
  19. }
Runtime error #stdin #stdout 0s 2292KB
comments (?)
stdin
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Standard input is empty
stdout
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Hello World     !!
Hello World
Hello World!!
https://ideone.com/704MdW
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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