26 int myclose(int fd) {  in myclose()  argument
27   __sanitizer_syscall_pre_close(fd);  in myclose()
28   int res = syscall(SYS_close, fd);  in myclose()
29   __sanitizer_syscall_post_close(res, fd);  in myclose()
33 ssize_t myread(int fd, void *buf, size_t count) {  in myread()  argument
34   __sanitizer_syscall_pre_read(fd, buf, count);  in myread()
35   ssize_t res = syscall(SYS_read, fd, buf, count);  in myread()
36   __sanitizer_syscall_post_read(res, fd, buf, count);  in myread()
40 ssize_t mywrite(int fd, const void *buf, size_t count) {  in mywrite()  argument
41   __sanitizer_syscall_pre_write(fd, buf, count);  in mywrite()
42   ssize_t res = syscall(SYS_write, fd, buf, count);  in mywrite()
43   __sanitizer_syscall_post_write(res, fd, buf, count);  in mywrite()