char* test3(long num) {

char* buffer = (char*)malloc(11);

buffer[0] = '0';

buffer[1] = 'x';

buffer[10] = '\0';

char* temp = buffer + 2;

for (int i=0; i < 8; i++) {

temp = (char)(num<<4*i>>28);

temp = temp >= 0 ? temp : temp + 16;

temp = temp < 10 ? temp + 48 : temp + 55;

}

return buffer;

}

本文转载自IT网it求职笔试真题库网。