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33 .Nd create an error message file by massaging C source
42 utility creates a file containing error messages extracted from C source,
43 and restructures the same C source, to utilize the created error message
47 was to reduce the size of large programs and
54 utility processes each of the specified files,
55 placing a restructured version of the input in a file whose name
56 consists of the specified
58 and the original name.
63 .Dl "mkstr pistrings xx *.c"
65 This command causes all the error messages from the C source
66 files in the current directory to be placed in the file
68 and restructured copies of the sources to be placed in
69 files whose names are prefixed with
73 .Bl -tag -width indent
75 Error messages are placed at the end of the specified
76 message file for recompiling part of a large
83 utility finds error messages in the source by
84 searching for the string
87 Each time it occurs, the C string starting at the
90 in the message file followed by a null character and a new-line character;
91 The new source is restructured with
93 pointers into the error message file for retrieval.
94 .Bd -literal -offset indent
95 char efilname = "/usr/lib/pi_strings";
103 efil = open(efilname, 0);
105 err(1, "%s", efilname);
107 if (lseek(efil, (off_t)a1, SEEK_SET) < 0 ||
108 read(efil, buf, 256) <= 0)
109 err(1, "%s", efilname);
110 printf(buf, a2, a3, a4);
120 utility first appeared in
131 utility was intended for the limited architecture of the PDP 11 family.
132 Very few programs actually use it.
133 The memory savings are negligible in modern computers.