prototype:
extern int strlen(char *s);
usage:
#include <string.h>
Function: Calculate the (unsigned int type) length of the string s
Description: Returns the length of s, excluding the terminator NULL.
Example:
#include <syslib.h>
#include <string.h>
main()
{
char *s="Golden Global View";
clrscr();
printf("%s has %d chars",s,strlen(s));
getchar();
return 0;
}