Интерактивная система просмотра системных руководств (man-ов)
expand_number (3)
>> expand_number (3) ( FreeBSD man: Библиотечные вызовы )
BSD mandoc
NAME
expand_number
- format a number from human readable form
LIBRARY
Lb libutil
SYNOPSIS
#include <libutil.h>
int
Fo expand_number
Fa char *buf int64_t *num
Fc
DESCRIPTION
The
expand_number ();
function unformats the
Fa buf
string and stores a signed 64-bit quantity at address pointed out by the
Fa num
argument.
The
expand_number ();
function
follows the SI power of two convention.
The prefixes are:
- Prefix Ta Description Ta Multiplier
-
- k Ta kilo Ta 1024
-
- M Ta mega Ta 1048576
-
- G Ta giga Ta 1073741824
-
- T Ta tera Ta 1099511627776
-
- P Ta peta Ta 1125899906842624
-
- E Ta exa Ta 1152921504606846976
-
RETURN VALUES
Rv -std
ERRORS
The
expand_number ();
function will fail if:
- Bq Er EINVAL
-
The given string contains no digits.
- Bq Er EINVAL
-
An unrecognized prefix was given.
- Bq Er ERANGE
-
Result doesn't fit into 64 bits.
SEE ALSO
humanize_number3
HISTORY
The
expand_number ();
function first appeared in
Fx 6.3 .
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUES
-
- ERRORS
-
- SEE ALSO
-
- HISTORY
-
