strstr(9)

💅 strstr(9) 💅

okay bestie, welcome to the Kernel API Manual entry for strstr — the lowkey iconic little C-string hunter. no cap, this page is short and sweet, so let's get into it 🫶

✨ NAME ✨

strstr — Find the first substring in a %NUL terminated string. periodt 💖

🌸 SYNOPSIS 🌸

char * strstr (const char *s1 , const char *s2 );

🎀 ARGUMENTS 🎀

• s1 — The string to be searched. this is the main character we're digging through 🔍
• s2 — The string to search for. this is the substring we're hunting down 🎯

🌈 SEE ALSO 🌈

Kernel file ./lib/string.c — and omg the whole friend group is here, all the string/memory besties:

• strncasecmp(9)
• stpcpy(9)
• strcmp(9)
• strncmp(9)
• strchr(9)
• strchrnul(9)
• strnchrnul(9)
• strrchr(9)
• strnchr(9)
• strspn(9)
• strcspn(9)
• strpbrk(9)
• strsep(9)
• memset(9)
• memset16(9)
• memset32(9)
• memset64(9)
• memcpy(9)
• memmove(9)
• memcmp(9)
• bcmp(9)
• memscan(9)
• strnstr(9)
• memchr(9)
• memchr_inv(9)

🫶 cute sign-off: source ./lib, dated October 2026, page strstr(9). bye bestie, go find that substring 💖✨