tst_strlen.c

这是《Keil Cx51 V7.0单片机高级语言编程与uVision2应用实践》教材各章中列出的全部程序例子。

#include <string.h>
#include <stdio.h>                  /* for printf */
void tst_strlen (void) {
   char buf [] = "Find the length of this string";
   int len;
   len = strlen (buf);
   printf ("string length is %d\n", len);
}