编写实现strcat同功能的函数stringCatch。
void stringCatch(char a[],char b[]){
int i = 0;
int j = 0;
char c[200] = "";
unsigned long len1 = strlen(a);
//unsigned long len2 = strlen(b);
while (b[j] != '\0') {
if (i < len1) {
c[i] = a[i];
}
if (c[i] == '\0') {
c[i] = b[j];
j++;
}
i ++;
}
// c[i + 1 + j] = '\0';
printf("%s \n",c);
}
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