Symbol: _IO_file_xsgetn_maybe_mmap
src/system/libroot/posix/glibc/libio/fileops.c
1589
static _IO_size_t _IO_file_xsgetn_maybe_mmap (_IO_FILE *, void *, _IO_size_t);
src/system/libroot/posix/glibc/libio/fileops.c
1677
JUMP_INIT(xsgetn, _IO_file_xsgetn_maybe_mmap),