Manual Section... (3) - page: vdprintf
NAMEdprintf, vdprintf - print to a file descriptor
int dprintf(int fd, const char *format, ...);
DESCRIPTIONThe functions dprintf() and vdprintf() (as found in the glibc2 library) are exact analogs of fprintf(3) and vfprintf(3), except that they output to a file descriptor fd instead of to a stdio stream.
CONFORMING TOThese functions are GNU extensions that are nowadays specified in POSIX.1-2008
SEE ALSOprintf(3), feature_test_macros(7)
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: 15:27:07 GMT, June 11, 2010