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#pragma once #include <user/lib/panic.h> typedef char sigjmp_buf; static inline int sigsetjmp(sigjmp_buf env, int savemask) { (void)env; (void)savemask; return 0; } static inline void siglongjmp(sigjmp_buf env, int val) { (void)env; (void)val; __libc_panic("unimplemented"); }