strcatの自作 #include <stdio.h> #include <string.h> char *mystrcat(char *, char *); int main(void){ char str1[16] = "hoge"; char *str2 = "moge"; printf("%s\n", mystrcat(str1, str2)); return 0; } char *mystrcat(char *a, char *b){ char *p; int n = 0; p = a + s</string.h></stdio.h>…