blksize_t(3type) blksize_t(3type) NAME blksize_t - file block sizes LIBRARY Standard C library (libc) SYNOPSIS #include typedef /* ... */ blksize_t; DESCRIPTION Used for file block sizes. It is a signed integer type. STANDARDS POSIX.1-2024. HISTORY SUSv2, POSIX.1-2001. NOTES The following header also provides this type: . SEE ALSO stat(3type) Linux man-pages 6.19 2026-02-08 blksize_t(3type)