src/base/io/putc.c


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#include "internal.h"

int
io·putc(io·Header *io, int c)
{
    intptr i;

    for(;;){
        i = io->olen;
        if(i){
            io->e[i++] = c;
            io->olen = i;
            return 0;
        }
        if(io·flush(io) == io·BufEof)
            break;
    }
    return io·BufEof;
}