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	basename.c - 9base - revived minimalist port of Plan 9 userland to Unix
	git clone git://git.suckless.org/9base
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	---
	basename.c (605B)
	---
	1 #include <u.h>
	2 #include <libc.h>
	3
	4 void
	5 main(int argc, char *argv[])
	6 {
	7 char *pr;
	8 int n, dflag;
	9
	10 dflag = 0;
	11 if(argc>1 && strcmp(argv[1], "-d") == 0){
	12 --argc;
	13 ++argv;
	14 dflag = 1;
	15 }
	16 if(argc < 2 \|\| argc > 3){
	17 fprint(2, "usage: basename [-d] string [suffix]\n");
	18 exits("usage");
	19 }
	20 pr = utfrrune(argv[1], '/');
	21 if(dflag){
	22 if(pr){
	23 *pr = 0;
	24 print("%s\n", argv[1]);
	25 exits(0);
	26 }
	27 print(".\n");
	28 exits(0);
	29 }
	30 if(pr)
	31 pr++;
	32 else
	33 pr = argv[1];
	34 if(argc==3){
	35 n = strlen(pr)-strlen(argv[2]);
	36 if(n >= 0 && !strcmp(pr+n, argv[2]))
	37 pr[n] = 0;
	38 }
	39 print("%s\n", pr);
	40 exits(0);
	41 }