#include extern int socketcall(int callno,long* args); int __libc_recvfrom(int a, const void * b, size_t c, int flags, void *to, void *tolen) { #ifdef __i386__ return socketcall(SYS_RECVFROM, (long*)&a); #else unsigned long args[] = { a, (long) b, c, flags, (long) to, (long) tolen }; return socketcall(SYS_RECVFROM, args); #endif } int recvfrom(int a, const void * b, size_t c, int flags, void *to, void *tolen) __attribute__ ((weak,alias("__libc_recvfrom"))) ;