64 __submore(FILE *fp)  in __submore()  argument
69   _DIAGASSERT(fp != NULL);  in __submore()
70   if(fp == NULL) {  in __submore()
75   if (_UB(fp)._base == fp->_ubuf) {  in __submore()
81     _UB(fp)._base = p;  in __submore()
82     _UB(fp)._size = BUFSIZ;  in __submore()
83     p += BUFSIZ - sizeof(fp->_ubuf);  in __submore()
84     for (i = sizeof(fp->_ubuf); --i >= 0;)  in __submore()
85       p[i] = fp->_ubuf[i];  in __submore()
86     fp->_p = p;  in __submore()
89   i = _UB(fp)._size;  in __submore()
90   p = realloc(_UB(fp)._base, (size_t)(i << 1));  in __submore()
95   fp->_p = p + i;  in __submore()
96   _UB(fp)._base = p;  in __submore()
97   _UB(fp)._size = i << 1;  in __submore()
102 ungetc(int c, FILE *fp)  in ungetc()  argument
104   _DIAGASSERT(fp != NULL);  in ungetc()
105   if(fp == NULL) {  in ungetc()
114   FLOCKFILE(fp);  in ungetc()
115   _SET_ORIENTATION(fp, -1);  in ungetc()
116   if ((fp->_flags & __SRD) == 0) {  in ungetc()
121     if ((fp->_flags & __SRW) == 0) {  in ungetc()
122       FUNLOCKFILE(fp);  in ungetc()
125     if (fp->_flags & __SWR) {  in ungetc()
126       if (__sflush(fp)) {  in ungetc()
127         FUNLOCKFILE(fp);  in ungetc()
130       fp->_flags &= ~__SWR;  in ungetc()
131       fp->_w = 0;  in ungetc()
132       fp->_lbfsize = 0;  in ungetc()
134     fp->_flags |= __SRD;  in ungetc()
142   if (HASUB(fp)) {  in ungetc()
143     if (fp->_r >= _UB(fp)._size && __submore(fp)) {  in ungetc()
144       FUNLOCKFILE(fp);  in ungetc()
147     *--fp->_p = (unsigned char)c;  in ungetc()
148     fp->_r++;  in ungetc()
149     FUNLOCKFILE(fp);  in ungetc()
152   fp->_flags &= ~__SEOF;  in ungetc()
159   if (fp->_bf._base != NULL && fp->_p > fp->_bf._base &&  in ungetc()
160       fp->_p[-1] == c) {  in ungetc()
161     fp->_p--;  in ungetc()
162     fp->_r++;  in ungetc()
163     FUNLOCKFILE(fp);  in ungetc()
171   fp->_ur = fp->_r;  in ungetc()
172   fp->_up = fp->_p;  in ungetc()
173   _UB(fp)._base = fp->_ubuf;  in ungetc()
174   _UB(fp)._size = sizeof(fp->_ubuf);  in ungetc()
175   fp->_ubuf[sizeof(fp->_ubuf) - 1] = (unsigned char)c;  in ungetc()
176   fp->_p = &fp->_ubuf[sizeof(fp->_ubuf) - 1];  in ungetc()
177   fp->_r = 1;  in ungetc()
178   FUNLOCKFILE(fp);  in ungetc()