STRCCPY(3GEN) String Pattern-Matching Library Functions STRCCPY(3GEN)


NAME


strccpy, streadd, strcadd, strecpy - copy strings, compressing or
expanding escape codes

SYNOPSIS


cc [ flag ... ] file ... -lgen [ library ... ]
#include <libgen.h>

char *strccpy(char *output, const char *input);


char *strcadd(char *output, const char *input);


char *strecpy(char *output, const char *input, const char *exceptions);


char *streadd(char *output, const char *input, const char *exceptions);


DESCRIPTION


strccpy() copies the input string, up to a null byte, to the output
string, compressing the C-language escape sequences (for example, \n,
\001) to the equivalent character. A null byte is appended to the
output. The output argument must point to a space big enough to
accommodate the result. If it is as big as the space pointed to by input
it is guaranteed to be big enough. strccpy() returns the output argument.


strcadd() is identical to strccpy(), except that it returns the pointer
to the null byte that terminates the output.


strecpy() copies the input string, up to a null byte, to the output
string, expanding non-graphic characters to their equivalent C-language
escape sequences (for example, \n, \001). The output argument must point
to a space big enough to accommodate the result; four times the space
pointed to by input is guaranteed to be big enough (each character could
become \ and 3 digits). Characters in the exceptions string are not
expanded. The exceptions argument may be zero, meaning all non-graphic
characters are expanded. strecpy() returns the output argument.


streadd() is identical to strecpy(), except that it returns the pointer
to the null byte that terminates the output.

EXAMPLES


Example 1: Example of expanding and compressing escape codes.



/* expand all but newline and tab */
strecpy( output, input, "\n\t" );

/* concatenate and compress several strings */
cp = strcadd( output, input1 );
cp = strcadd( cp, input2 );
cp = strcadd( cp, input3 );


ATTRIBUTES


See attributes(5) for descriptions of the following attributes:


+---------------+-----------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+-----------------+
|MT-Level | MT-Safe |
+---------------+-----------------+

SEE ALSO


string(3C), strfind(3GEN), attributes(5)

NOTES


When compiling multi-thread applications, the _REENTRANT flag must be
defined on the compile line. This flag should only be used in multi-
thread applications.


December 29, 1996 STRCCPY(3GEN)