ap_bsetflag — set or clear a flag
int ap_bsetflag(BUFF *fb, int flag, int value)
If value is 0, clear
flag; otherwise, set it.
flag is one of the following:
B_EOUT
Prevent further I/O.
B_CHUNK
Use chunked writing.
B_SAFEREAD
Force an ap_bflush() if a read would block.
B_ASCII2EBCDIC
Convert ASCII to EBCDIC when reading. Only available on systems that support EBCDIC.
B_EBCDIC2ASCII
Convert EBCDIC to ASCII when writing. Only available on systems that support EBCDIC.