code review 7461046: all: fix typos

src/cmd/dist/plan9.c

 // Copyright 2012 The Go Authors.  All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 // These #ifdefs are being used as a substitute for
 // build configuration, so that on any system, this
 // tool can be built with the local equivalent of
 //      cc *.c
 //
 #ifdef PLAN9
@@ skipping 560 matching lines @@
 bool
 hassuffix(char *p, char *suffix)
 {
         int np, ns;
 ········
         np = strlen(p);
         ns = strlen(suffix);
         return np >= ns && strcmp(p+np-ns, suffix) == 0;
 }
 
-// hasprefix reports whether p begins wtih prefix.
+// hasprefix reports whether p begins with prefix.
 bool
 hasprefix(char *p, char *prefix)
 {
         return strncmp(p, prefix, strlen(prefix)) == 0;
 }
 
 // contains reports whether sep appears in p.
 bool
 contains(char *p, char *sep)
 {
@@ skipping 163 matching lines @@
 
 bool
 cansse2(void)
 {
         // if we had access to cpuid, could answer this question
         // less conservatively.
         return 0;
 }
 
 #endif // PLAN9