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qfcvt_r
Langue: en
Version: 2007-07-26 (ubuntu - 24/10/10)
Section: 3 (Bibliothèques de fonctions)
NAME
ecvt_r, fcvt_r, qecvt_r, qfcvt_r - convert a floating-point number to a stringSYNOPSIS
#include <stdlib.h> int ecvt_r(double number, int ndigits, int *decpt, int *sign, char *buf, size_t len); int fcvt_r(double number, int ndigits, int *decpt, int *sign, char *buf, size_t len); int qecvt_r(long double number, int ndigits, int *decpt, int *sign, char *buf, size_t len); int qfcvt_r(long double number, int ndigits, int *decpt, int *sign, char *buf, size_t len);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
ecvt_r(), fcvt_r(), qecvt_r(), qfcvt_r(): _SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE >= 500
DESCRIPTION
The functions ecvt_r(), fcvt_r(), qecvt_r() and qfcvt_r() are identical to ecvt(3), fcvt(3), qecvt(3) and qfcvt(3), respectively, except that they do not return their result in a static buffer, but instead use the supplied buf of size len. See ecvt(3) and qecvt(3).RETURN VALUE
These functions return 0 on success, and -1 otherwise.CONFORMING TO
These functions are GNU extensions.NOTES
These functions are obsolete. Instead, sprintf(3) is recommended.SEE ALSO
ecvt(3), qecvt(3), sprintf(3)COLOPHON
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