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ffs(3p) [posix man page]

FFS(3P) 						     POSIX Programmer's Manual							   FFS(3P)

PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond- ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux. NAME
ffs -- find first set bit SYNOPSIS
#include <strings.h> int ffs(int i); DESCRIPTION
The ffs() function shall find the first bit set (beginning with the least significant bit) in i, and return the index of that bit. Bits are numbered starting at one (the least significant bit). RETURN VALUE
The ffs() function shall return the index of the first bit set. If i is 0, then ffs() shall return 0. ERRORS
No errors are defined. The following sections are informative. EXAMPLES
None. APPLICATION USAGE
None. RATIONALE
None. FUTURE DIRECTIONS
None. SEE ALSO
The Base Definitions volume of POSIX.1-2008, <strings.h> COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technol- ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Stan- dard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html . Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html . IEEE
/The Open Group 2013 FFS(3P)

Check Out this Related Man Page

TOASCII(3P)						     POSIX Programmer's Manual						       TOASCII(3P)

PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond- ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux. NAME
toascii -- translate an integer to a 7-bit ASCII character SYNOPSIS
#include <ctype.h> int toascii(int c); DESCRIPTION
The toascii() function shall convert its argument into a 7-bit ASCII character. RETURN VALUE
The toascii() function shall return the value (c &0x7f). ERRORS
No errors are returned. The following sections are informative. EXAMPLES
None. APPLICATION USAGE
The toascii() function cannot be used portably in a localized application. RATIONALE
None. FUTURE DIRECTIONS
The toascii() function may be removed in a future version. SEE ALSO
isascii() The Base Definitions volume of POSIX.1-2008, <ctype.h> COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technol- ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Stan- dard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html . Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html . IEEE
/The Open Group 2013 TOASCII(3P)
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