qfcvt(3)

1QECVT(3)                   Linux Programmer's Manual                  QECVT(3)
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NAME

6       qecvt, qfcvt, qgcvt - convert a floating-point number to a string
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SYNOPSIS

9       #include <stdlib.h>
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11       char *qecvt(long double number, int ndigits, int *decpt, int *sign);
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13       char *qfcvt(long double number, int ndigits, int *decpt, int *sign);
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15       char *qgcvt(long double number, int ndigit, char *buf);
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17   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
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19       qecvt(), qfcvt(), qgcvt(): _SVID_SOURCE
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DESCRIPTION

22       The  functions  qecvt(),  qfcvt() and qgcvt() are identical to ecvt(3),
23       fcvt(3) and gcvt(3) respectively, except that they use  a  long  double
24       argument number.  See ecvt(3) and gcvt(3).
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ATTRIBUTES

27   Multithreading (see pthreads(7))
28       The qecvt() and qfcvt() functions are not thread-safe.
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30       The qgcvt() function is thread-safe.
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CONFORMING TO

33       SVr4.   Not  seen  in  most  common UNIX implementations, but occurs in
34       SunOS.  Not supported by libc4 and libc5.  Supported by glibc.
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NOTES

37       These functions are obsolete.  Instead, sprintf(3) is recommended.
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COLOPHON

43       This page is part of release 3.53 of the Linux  man-pages  project.   A
44       description  of  the project, and information about reporting bugs, can
45       be found at http://www.kernel.org/doc/man-pages/.
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49GNU                               2013-07-22                          QECVT(3)