scc

simple c99 compiler
git clone git://git.simple-cc.org/scc
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0012-strchr.c (526B)


      1 #include <assert.h>
      2 #include <stdio.h>
      3 #include <string.h>
      4 
      5 /*
      6 output:
      7 testing
      8 done
      9 end:
     10 */
     11 
     12 int
     13 main()
     14 {
     15 	char *p, buf[] = "abcad";
     16 
     17 	puts("testing");
     18 
     19 	p = strchr(buf, 0);
     20 	assert(p == buf+5);
     21 	assert(*p == '\0');
     22 
     23 	p = strchr(buf, 'a');
     24 	assert(p == buf);
     25 	assert(*p == 'a');
     26 
     27 	p = strchr(buf, 'd');
     28 	assert(p == buf+4);
     29 	assert(*p == 'd');
     30 
     31 	p = strchr(buf, 'c');
     32 	assert(p == buf+2);
     33 	assert(*p == 'c');
     34 
     35 	p = strchr(buf, 'h');
     36 	assert(p == NULL);
     37 
     38 	p = strchr("", 'a');
     39 	assert(p == NULL);
     40 
     41 	puts("done");
     42 
     43 	return 0;
     44 }