Files
retrobsd/src/cmd/smallc/lib/reverse.c
2014-04-09 14:27:18 +01:00

18 lines
362 B
C

#include <stdio.h>
/* Reverse a character string, reference CPL p 59 */
reverse(s)
char *s;{
int i, j;
char c;
i = 0;
j = strlen(s) - 1;
while (i < j){
c = s[i];
s[i] = s[j];
s[j] = c;
i++;
j--;
}
return(s);
}