#include #include extern int socketcall(int callno,long* args); int __libc_getsockopt(int a, int b, int c, void *d, int e); int __libc_getsockopt(int a, int b, int c, void *d, int e) { unsigned long args[] = { a, b, c, (long)d, e }; return socketcall(SYS_GETSOCKOPT, args); } int getsockopt(int s, int level, int optname, void * optval, socklen_t *optlen) __attribute__((weak,alias("__libc_getsockopt")));