PEL-Protocol Engineering Lab.

/* mystrcopy.c: copy strings */
#include <stdio.h>
 
void mystrcopy(char *src, char *dst);
 
int main(void) {
    char src[] = "It's a good day, isn't it?";
    char dst[30]; 
 
    mystrcopy(src, dst);
 
    printf("%s\n", dst);
 
    return(0);
}
 
void mystrcopy(char *src, char *dst) {
    char *sp = &src[0], *dp = &dst[0];
 
    while(*sp != '\0')
        *dp++ = *sp++;
    *dp = '\0';
}