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| author | Mattias Andrée <m@maandree.se> | 2025-12-27 20:44:22 +0100 |
|---|---|---|
| committer | Mattias Andrée <m@maandree.se> | 2025-12-27 20:44:22 +0100 |
| commit | 56b19a09fda414876e310d086636c8e618871219 (patch) | |
| tree | d1858ddf3712e2dcd4a0bf3aae8a4669e598ea11 /libj2_kfs_j2u.3 | |
| parent | Testing (diff) | |
| download | libj2-56b19a09fda414876e310d086636c8e618871219.tar.gz libj2-56b19a09fda414876e310d086636c8e618871219.tar.bz2 libj2-56b19a09fda414876e310d086636c8e618871219.tar.xz | |
Signed-off-by: Mattias Andrée <m@maandree.se>
Diffstat (limited to 'libj2_kfs_j2u.3')
| -rw-r--r-- | libj2_kfs_j2u.3 | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libj2_kfs_j2u.3 b/libj2_kfs_j2u.3 new file mode 100644 index 0000000..de3841a --- /dev/null +++ b/libj2_kfs_j2u.3 @@ -0,0 +1,52 @@ +.TH LIBJ2_KFS_J2U 3 LIBJ2 +.SH NAME +libj2_kfs_j2u \- Keep first set bit, clear the rest + +.SH SYNOPSIS +.nf +#include <libj2.h> + +void \fBlibj2_kfs_j2u\fP(struct libj2_j2u *\fIa\fP); +void \fBlibj2_kfs_j2u_to_j2u\fP(const struct libj2_j2u *\fIa\fP, struct libj2_j2u *\fIr\fP); +.fi +.PP +Link with +.IR -lj2 . + +.SH DESCRIPTION +The +.BR libj2_kfs_j2u () +function clears all bits in +.I a +except the first (least significant) +set bit (no modification if all bits +are cleared). +.PP +The +.BR libj2_kfs_j2u_to_j2u () +function performs the same action as +.BR libj2_kfs_j2u () +but instead of modifying +.IR a , +the result is stored in +.IR r . +.PP +The arguments are assumed to be +.RI non- NULL . + +.SH RETURN VALUE +None. + +.SH ERRORS +The +.BR libj2_kfs_j2u () +and +.BR libj2_kfs_j2u_to_j2u () +functions cannot fail. + +.SH SEE ALSO +.BR libj2 (7), +.BR libj2_kls_j2u (3), +.BR libj2_ffs_j2u (3), +.BR libj2_cfs_j2u (3), +.BR libj2_sfc_j2u (3) |