Language Ccpp Cref Examples Reverse.c

/ *********************************************************************
 *
 * Purpose: Reverse characters in a string.
 * Author: K&R
 * Date: 
 *
 *********************************************************************/
void reverse(char s[]);
main()
{
 char text[80]="martin";
 printf("string is %s\n", text);
 reverse(text);
 printf("string is %s\n", text);
}
void reverse(char s[])
{
 int c, i, j;
 
 for (i=0, j=strlen(s)-1; i < j;i++, j--)
 {
 c = s[i];
 s[i] = s [j];
 s[j] = c;
 }
}

.