9base

revived minimalist port of Plan 9 userland to Unix
git clone git://git.suckless.org/9base
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var.c (524B)

      1 #include	"mk.h"
      2 
      3 void
      4 setvar(char *name, void *ptr)
      5 {
      6 	symlook(name, S_VAR, ptr)->u.ptr = ptr;
      7 	symlook(name, S_MAKEVAR, (void*)"");
      8 }
      9 
     10 static void
     11 print1(Symtab *s)
     12 {
     13 	Word *w;
     14 
     15 	Bprint(&bout, "\t%s=", s->name);
     16 	for (w = s->u.ptr; w; w = w->next)
     17 		Bprint(&bout, "'%s'", w->s);
     18 	Bprint(&bout, "\n");
     19 }
     20 
     21 void
     22 dumpv(char *s)
     23 {
     24 	Bprint(&bout, "%s:\n", s);
     25 	symtraverse(S_VAR, print1);
     26 }
     27 
     28 char *
     29 shname(char *a)
     30 {
     31 	Rune r;
     32 	int n;
     33 
     34 	while (*a) {
     35 		n = chartorune(&r, a);
     36 		if (!WORDCHR(r))
     37 			break;
     38 		a += n;
     39 	}
     40 	return a;
     41 }