shithub: pdffs

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add opfind

--- a/op.c

+++ b/op.c

@@ -851,4 +851,23 @@

 	{"copy", t4copy, -1,},

 	{"index", t4index, -1,},

 	{"roll", t4roll, -2,},

+

+	/* terminator */

+	{nil, nil, 0},

 };

+

+Op *

+opfind(char *name)

+{

+	int i;

+	Op *op;

+	i = 0;

+	op = &ops[0];

+	while(op->s != nil){

+		if(strcmp(op->s, name) == 0)

+			return op;

+		i += 1;

+		op = &ops[i];

+	}

+	return nil;

+}