#include #include extern int socketcall(int callno,long* args); int __libc_sendmsg(int a, const struct msghdr* msg, int flags); int __libc_sendmsg(int a, const struct msghdr* msg, int flags) { unsigned long args[] = { a, (long) msg, flags }; return socketcall(SYS_SENDMSG, args); } int sendmsg(int a, const struct msghdr *msg, int flags) __attribute__ ((weak,alias("__libc_sendmsg"))) ;