qecvt - Online Linux Manual PageSection : 3
Updated : 2022-12-15
Source : Linux man-pages 6.03
NAMEqecvt, qfcvt, qgcvt − convert a floating-point number to a string
LIBRARYStandard C library (libc, −lc)
SYNOPSIS#include <stdlib.h>[[deprecated]] char *qecvt(long double number, int ndigits,
int *restrict decpt, int *restrict sign);
[[deprecated]] char *qfcvt(long double number, int ndigits,
int *restrict decpt, int *restrict sign);
[[deprecated]] char *qgcvt(long double number, int ndigit, char *buf);Feature Test Macro Requirements for glibc (see feature_test_macros(7)): qecvt(), qfcvt(), qgcvt(): Since glibc 2.19:
_DEFAULT_SOURCE
In glibc up to and including 2.19:
_SVID_SOURCE
DESCRIPTIONThe functions qecvt(), qfcvt(), and qgcvt() are identical to ecvt(3), fcvt(3), and gcvt(3) respectively, except that they use a long double" argument number. See ecvt(3) and gcvt(3).
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7). InterfaceAttributeValue qecvt() Thread safetyMT-Unsafe race:qecvt qfcvt() Thread safetyMT-Unsafe race:qfcvt qgcvt() Thread safetyMT-Safe
STANDARDSSVr4. Not seen in most common UNIX implementations, but occurs in SunOS. Supported by glibc.
NOTESThese functions are obsolete. Instead, snprintf(3) is recommended.
SEE ALSOecvt(3), ecvt_r(3), gcvt(3), sprintf(3) 0
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