.Dd January 15, 2017 .Dt GZPUTC 3 .Os . .Sh NAME .Nm gzputc .Nd write character to compressed file . .Sh LIBRARY .Lb libz . .Sh SYNOPSIS .In zlib.h .Ft int .Fn gzputc "gzFile file" "int c" . .Sh DESCRIPTION Writes .Fa c , converted to an .Vt unsigned char , into the compressed file. . .Sh RETURN VALUES .Fn gzputc returns the value that was written, or -1 in case of error. . .Sh SEE ALSO .Xr gzerror 3 , .Xr gzopen 3 , .Xr gzputs 3 , .Xr gzwrite 3 . .Sh HISTORY This manual page was converted from .In zlib.h to mdoc format by .An C. McEnroe Aq Mt june@causal.agency . . .Sh AUTHORS .An Jean-loup Gailly Aq Mt jloup@gzip.org .An Mark Adler Aq Mt madler@alumni.caltech.edu