1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
|
.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" References consulted:
.\" Linux libc source code
.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
.\" 386BSD man pages
.\" Modified Sat Jul 24 19:39:35 1993 by Rik Faith (faith@cs.unc.edu)
.\" Translated into German by Regine Bast (regine.bast@bigfoot.com)
.\"
.TH FFS 3 "19. Mai 1999" "GNU" "Bibliotheksfunktionen"
.SH BEZEICHNUNG
ffs \- findet das erste Bit, das in einem Wort gesetzt ist
.SH "ÜBERSICHT"
.nf
.B #include <string.h>
.sp
.BI "int ffs(int " i );
.fi
.SH BESCHREIBUNG
Die Funktion
.B ffs()
gibt die Position des ersten gesetzten Bits in einem Wort
.I i
zurück.
Das Bit mit dem niedrigsten Stellenwert ist Position 1, das mit dem höchsten
ist Position 32.
.SH "RÜCKGABEWERT"
Die Funktion
.B ffs()
gibt die Position des ersten gesetzten Bits zurück, oder NULL, wenn kein Bit
gesetzt ist.
.SH "KONFORM ZU"
BSD 4.3
.SH "SIEHE AUCH"
|