MEMCMP(9)

🌸 NAME 🌸

memcmp — compare byte string. And yes bestie, this is the MEMCMP(9) kernel developer’s manual page, so you know it’s giving official Unix energy 💅✨

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✨ SYNOPSIS ✨

#include <sys/systm.h>

int
memcmp(const void *b1, const void *b2, size_t len);

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💖 DESCRIPTION 💖

okay so memcmp() compares byte string b1 against byte string b2 🫶 Both strings are assumed to be len bytes long — no cap, that’s literally the setup 💀

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🎀 RETURN VALUES 🎀

memcmp() returns zero if the two strings are identical 😌 otherwise it returns the difference between the first two differing bytes — and those bytes are treated as unsigned char values, so that '\200' is greater than '\0', for example 🌈

Zero-length strings are always identical, periodt 💖

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🦋 STANDARDS 🦋

The memcmp() function conforms to ANSI X3.159-1989 (“ANSI C89”) — iconic, standards-approved behavior fr fr 👑

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🎀 that’s the whole page, bestie! source/version vibes: Debian, dated July 7, 2001, and the manual is MEMCMP(9) — slay and goodbye 💅✨