52 sm_submore_x(fp)  in sm_submore_x()  argument
53 	SM_FILE_T *fp;  in sm_submore_x()
58 	if (fp->f_ub.smb_base == fp->f_ubuf)
62 		fp->f_ub.smb_base = p;
63 		fp->f_ub.smb_size = SM_IO_BUFSIZ;
64 		p += SM_IO_BUFSIZ - sizeof(fp->f_ubuf);
65 		for (i = sizeof(fp->f_ubuf); --i >= 0;)
66 			p[i] = fp->f_ubuf[i];
67 		fp->f_p = p;
70 	i = fp->f_ub.smb_size;
71 	p = sm_realloc_x(fp->f_ub.smb_base, i << 1);
75 	fp->f_p = p + i;
76 	fp->f_ub.smb_base = p;
77 	fp->f_ub.smb_size = i << 1;
98 sm_io_ungetc(fp, timeout, c)  in sm_io_ungetc()  argument
99 	register SM_FILE_T *fp;  in sm_io_ungetc()
103 	SM_REQUIRE_ISA(fp, SmFileMagic);
119 	if ((fp->f_flags & SMRD) == 0)
126 		if ((fp->f_flags & SMRW) == 0)
128 		if (fp->f_flags & SMWR)
130 			if (sm_flush(fp, &timeout))
132 			fp->f_flags &= ~SMWR;
133 			fp->f_w = 0;
134 			fp->f_lbfsize = 0;
136 		fp->f_flags |= SMRD;
145 	if (HASUB(fp))
147 		if (fp->f_r >= fp->f_ub.smb_size)
148 			sm_submore_x(fp);
149 		*--fp->f_p = c;
150 		fp->f_r++;
153 	fp->f_flags &= ~SMFEOF;
161 	if (fp->f_bf.smb_base != NULL && fp->f_p > fp->f_bf.smb_base &&
162 	    fp->f_p[-1] == c)
164 		fp->f_p--;
165 		fp->f_r++;
174 	fp->f_ur = fp->f_r;
175 	fp->f_up = fp->f_p;
176 	fp->f_ub.smb_base = fp->f_ubuf;
177 	fp->f_ub.smb_size = sizeof(fp->f_ubuf);
178 	fp->f_ubuf[sizeof(fp->f_ubuf) - 1] = c;
179 	fp->f_p = &fp->f_ubuf[sizeof(fp->f_ubuf) - 1];
180 	fp->f_r = 1;