simple_strtoul(9)

simple_strtoul(9) — Kernel API Manual ✨

🌸 NAME 🌸

simple_strtoul — convert a string to an unsigned long 🫶

🦋 SYNOPSIS 🦋

unsigned long simple_strtoul (const char *cp , char **endp , unsigned int base );

🫶 ARGUMENTS 🫶

• cp — the start of the string, bestie 💖
• endp — this is where a pointer to the end of the parsed string will be placed 💅
• base — the number base to use ✨

💀 DESCRIPTION 💀

okay so real talk 😭 this function has caveats. Please use kstrtoul instead. no cap.

🔥 SEE ALSO 🔥

Kernel file ./lib/vsprintf.c is the source vibe, and here’s the whole friend group:

• simple_strtoull(9)
• simple_strtol(9)
• simple_strtoll(9)
• vsnprintf(9)
• vscnprintf(9)
• snprintf(9)
• scnprintf(9)
• vsprintf(9)
• sprintf(9)
• vbin_printf(9)
• bstr_printf(9)
• vsscanf(9)
• sscanf(9)

💖 and that’s the page! it comes from ./lib, dated October 2026, and it’s filed under simple_strtoul(9) — bye bestie, slay your string conversions! 💅