Symbol: soreadfile
usr/src/uts/common/fs/sockfs/socksyscalls.c
2255
ret_size = soreadfile(fp, mp->b_rptr, fileoff, &error, iosize);
usr/src/uts/common/sys/socketvar.h
935
extern ssize_t soreadfile(file_t *, uchar_t *, u_offset_t, int *, size_t);