[DGPD][C언어] 문자열 연결 함수 strcat 만들기.

#include <stdio.h>
 
char* myStrcat(char* destination, const char* source)
{
    while (*destination != '\0')
    {
        destination++;
    }
 
    while (*source != '\0')
    {
        *destination = *source;
        destination++;
        source++;
    }
    *destination = '\0';
 
    return destination;
}
 
int main()
{
    char str[80] = "these ";
    myStrcat(str, "strings ");
    myStrcat(str, "are ");
    myStrcat(str, "concatenated.");
    printf("str: %s\n", str);
 
    return 0;
}