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authorMattias Andrée <maandree@kth.se>2019-10-06 14:54:42 +0200
committerMattias Andrée <maandree@kth.se>2019-10-06 14:54:42 +0200
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Signed-off-by: Mattias Andrée <maandree@kth.se>
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-.TH LIBRED_INIT_COLOUR 3 LIBRED
-.SH NAME
-libred_init_colour \- Prepare for use of libred_get_colour(3)
-.SH SYNOPSIS
-.nf
-#include <libred.h>
-
-int \fBlibred_init_colour\fP(void);
-.fi
-.PP
-Link with
-.IR -lred .
-.SH DESCRIPTION
-.B libred_init_colour
-open a file descriptor, without returning it, to the colour
-temperature lookup table, and stores the file descriptor to
-.BR libred_fd .
-It is necessary to call this function before the first call to
-.BR libred_get_colour (3).
-.SH "RETURN VALUE"
-Upon successful completion, the function returns 0. On failure,
-the function returns -1 and sets
-.B errno
-appropriately.
-.SH ERRORS
-The function may fail for any reason specified for
-.BR open (3),
-and set the value of
-.B errno
-to the same values.
-.B errno
-is always set to 0 on success.
-.SH "FUTURE DIRECTIONS"
-It is possible that the behaviour is changed to loading the
-colour temperature lookup table rather than just open a
-file descriptor to it.
-.SH "SEE ALSO"
-.BR libred.h (0),
-.BR libred (7),
-.BR libred_get_colour (3),
-.BR libred_term_colour (3)