96 int sfvprintf(Sfio_t* f, const char* form, va_list args)  in sfvprintf()
143 #define SMputc(f,c)	{ if((o = SFFLSBUF(f,c)) >= 0 ) n_output += 1; \  argument
146 #define SMnputc(f,c,n)	{ if((o = SFNPUTC(f,c,n)) > 0 ) n_output += 1; \  argument
149 #define SMwrite(f,s,n)	{ if((o = SFWRITE(f,(Void_t*)s,n)) > 0 ) n_output += o; \  argument
153 #define SFBUF(f)  argument
154 #define SFINIT(f)	(n_output = 0)  argument
155 #define SFEND(f)  argument
156 #define SFputc(f,c)	SMputc(f,c)  argument
157 #define SFnputc(f,c,n)	SMnputc(f,c,n)  argument
158 #define SFwrite(f,s,n)	SMwrite(f,s,n)  argument
161 #define SFBUF(f)	(d = f->next, endd = f->endb)  argument
162 #define SFINIT(f)	(SFBUF(f), n_output = 0)  argument
163 #define SFEND(f)	((n_output += d - f->next), (f->next = d))  argument
164 #define SFputc(f,c)	{ if(d < endd) 	  { *d++ = (uchar)c; } \  argument
167 #define SFnputc(f,c,n)	{ if(d+n <= endd) { while(n--) *d++ = (uchar)(c); } \  argument
170 #define SFwrite(f,s,n)	{ if(d+n <= endd) { while(n--) *d++ = (uchar)(*s++); } \  argument