Manual Section... (3) - page: qfcvt
NAMEqecvt, qfcvt, qgcvt - convert a floating-point number to a string
char *qecvt(long double number, int ndigits, int *decpt, int *sign);
char *qfcvt(long double number, int ndigits, int *decpt, int *sign);
char *qgcvt(long double number, int ndigit, char *buf);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
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).
CONFORMING TOSVr4. Not seen in most common Unix implementations, but occurs in SunOS. Not supported by libc4 and libc5. Supported by glibc.
NOTESThese functions are obsolete. Instead, sprintf(3) is recommended.
SEE ALSOecvt(3), ecvt_r(3), gcvt(3), sprintf(3)
COLOPHONThis page is part of release 3.24 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
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Time: 15:27:02 GMT, June 11, 2010