tzerotrunc.c - plan9port - [fork] Plan 9 from user space
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       ---
       tzerotrunc.c (317B)
       ---
            1 /*
            2  * cat standard input until you get a zero byte
            3  */
            4 
            5 #include <u.h>
            6 #include <libc.h>
            7 
            8 void
            9 main(void)
           10 {
           11         char buf[4096];
           12         char *p;
           13         int n;
           14 
           15         while((n = read(0, buf, sizeof(buf))) > 0){
           16                 p = memchr(buf, 0, n);
           17                 if(p != nil)
           18                         n = p-buf;
           19                 if(n > 0)
           20                         write(1, buf, n);
           21                 if(p != nil)
           22                         break;
           23         }
           24         exits(0);
           25 }