read_sysfs_float(9)

💖 read_sysfs_float(9) — Kernel API Manual 💖

🌸 NAME 🌸

read_sysfs_float — read a float value from file

✨ SYNOPSIS ✨

int read_sysfs_float (const char *filename , const char *basedir , float
       *val );

🎀 ARGUMENTS 🎀

• filename — name of file to read from. That's the file, bestie.
• basedir — the sysfs directory in which the file is to be found. Like, the folder where your fave file lives.
• val — output the read float value. It's where the read float value gets output. 💅

🦋 DESCRIPTION 🦋

okay so here's the vibe: it returns a value >= 0 on success, otherwise a negative error code. That's the whole thing. No cap. ✨

👑 SEE ALSO 👑

Kernel file ./tools/iio/iio_utils.c — go peek:

• iioutils_break_up_name(9)
• iioutils_get_type(9)
• iioutils_get_param_float(9)
• bsort_channel_array_by_index(9)
• build_channel_array(9)
• find_type_by_name(9)
• write_sysfs_int(9)
• write_sysfs_int_and_verify(9)
• write_sysfs_string_and_verify(9)
• write_sysfs_string(9)
• read_sysfs_posint(9)
• read_sysfs_string(9)

okay bye bestie 🫶 — source/version is ./tools/iio, dated October 2026, and the page is read_sysfs_float(9). mwah 💋