Simone
char a[7] = "abcdefg"; char b[4] = "ABCD"; 数组访问越界了，注意：灶姿作为字符串，最后都有一个默认的串尾符'\0'所以："abcdefg"其实包含了8个字符：a,b,c,d,e,f,g,'\0'"ABCD"其实包含了5个字符：A，B，C，D，'\隐如绝0'所以你用a[7]和b[4]来橡首存储"abcdefg"和"ABCD"就越界了这么改就OK了main() { char a[8] = "abcdefg"; char b[5] = "ABCD"; strcpy(a,b); printf("%s\n",strcpy(a,b)); }
