#include <string.h> #include <CoreFoundation/CoreFoundation.h> extern void foo1(); void t1() { CFStringGetLength(CFSTR("test1")); strlen("str1"); } void t2() { CFStringGetLength(CFSTR("test2")); strlen("str2"); } void t3() { CFStringGetLength(CFSTR("test3")); strlen("str3"); } int main() { t2(); foo1(); return 0; }