libsigscan is a simple signature scanning library for Linux written in C
It supports IDA and x64dbg signature formats and it can filter by module names
Simply move libsigscan.c and libsigscan.h to your project folder and include libsigscan.h
pid_t pid = 14314;
char *pattern = "31 C0 48 ?? ?? 0F 84"
char *module_target = "example.so"
unsigned long long match = sig_scan(pattern, module_target, pid);