Skip input until the first graphical(see isgraph) character of a line is equal to c
The RecordReader to read from.
The character to look for, must be in isgraph
This function skips lines, and then non-graphical chars at the line beginnings,
until it finds a line where the first graph-character is c. It stops on c, not behind.
0 if there was no error reading
non-zero value on errors, especially EOF_BEFORE_SUCCESS
SeqAn - Sequence Analysis Library - www.seqan.de