syscall_arg__scnprintf_pid
size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_PID syscall_arg__scnprintf_pid
syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_pid);
return syscall_arg__scnprintf_pid(bf, size, arg);