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32 .\" @(#)mkstr.1 8.1 (Berkeley) 6/6/93
40 .Nd create an error message file by massaging C source
48 creates files containing error messages extracted from C source,
49 and restructures the same C source, to utilize the created error message
53 was to reduce the size of large programs and
59 processes each of the specified
61 placing a restructured version of the input in a file whose name
62 consists of the specified
64 and the original name.
68 .Bd -literal -offset indent
69 mkstr pistrings xx *.c
72 This command causes all the error messages from the C source
73 files in the current directory to be placed in the file
75 and restructured copies of the sources to be placed in
76 files whose names are prefixed with
80 .Bl -tag -width indent
82 Error messages are placed at the end of the specified
83 message file for recompiling part of a large
90 finds error messages in the source by
91 searching for the string
94 Each time it occurs, the C string starting at the
97 in the message file followed by a null character and a new-line character;
98 The new source is restructured with
100 pointers into the error message file for retrieval.
101 .Bd -literal -offset indent
102 char efilname = "/usr/lib/pi_strings";
105 error(a1, a2, a3, a4)
110 efil = open(efilname, 0);
117 if (lseek(efil, (long) a1, 0) \ read(efil, buf, 256) <= 0)
119 printf(buf, a2, a3, a4);
131 was intended for the limited architecture of the PDP 11 family.
132 Very few programs actually use it.
133 The Pascal interpreter,
137 are two programs that are built this way.
138 It is not an efficient method, the error messages
139 should be stored in the program text.