S

Index
by?Sam Tregar?
Apress ? 2002
Companion Web Site

-s notation, explanation of, 22

S-Support Levels Stage of DSLIP

Module List codes for, 10

providing module information for, 133

Safefree() Perl C API interface to free(), example of, 202

save() method, role in BBS.pm CGI::Application module, 262

SAVETMPS C macro

using with implicitly freed memory, 196

using with subroutines, 198-199

say_Hello subroutine, code for, 197-198

scalar value C data type. See SV* (scalar value) data type

scalars, tying, 57-59

search engines, using, 12-13

Sendmail Web site, 142

serialization, provision by Storable module, 169-170

setup() method, role in BBS.pm CGI::Application module, 261

shift built-in, using with AVs, 184-185

site_perl directories, usage of, 29

some_call() failure, troubleshooting, 80

source code

importing into CVS, 151-152

using with CVS, 152-153

SourceForge

bug-tracking facility of, 160-161

using with CVS repositories, 151

Web site, 141

SP variables, declaring with dSP C macro, 198

SPAGAIN C macro, using, 199

spaghetti code, explanation of, 21

special operations, symbols for, 49

square brackets ([]), using with references, 37

ssh (secure shell), using with CVS, 150-151

ST C macro, using with XSUBs, 223

start_mode() call, role in BBS.pm CGI::Application module, 262

state machines, CGI programs as, 257-258

state, maintaining with $LOG_LEVEL variable, 32

stdio functions versus PerlIO set, 203

Storable module, features of, 169-170

STORE() method

using with tied hashes, 61

using with tied scalar classes, 58-59

strEQ(), using with XSUBs and named parameters, 223

string comparison operations, symbols for, 49

string conversion, overloading, 50-51

string operations, symbols for, 49

struct() subroutine, using, 88

subroutines

calling from C, 197-201

calling from C without parameters or return values, 197-198

calling with one parameter and no return values, 198-199

calling with variable parameters and one return value, 199

calling with variable parameters and variable return values, 200-201

capitalizing in functional interfaces, 75

documenting in functional interfaces, 75-76

exporting, 33

functionality of, 21

implementing call-by-reference in, 37

naming in functional interfaces, 74-75

returning from, 201

signaling errors with, 201

SV* (scalar value) C data type

comparison functions used with, 183

constructor versions for, 196

creation of, 177-178

and direct access of underlying value types, 180-181

features of, 177

full name and example in Perl, 176

getting lengths of, 181

getting values with, 179

inserting strings in middle of, 182

nonnumeric strings used with, 179

removing characters from beginning of strings in, 182

setting values with, 180

string functions used with, 181-183

testing for undef with, 183

truncating strings with, 181

type checking, 178-179

using & operator with, 183

using Boyer-Moore search algorithm with, 182

sv_set* functions, using, 180

sv_setref functions, using with RVs, 190-191

SvPVX(), advisory about using return value from, 180-181

SvREFCNT C macro, inspecting reference counts with, 194

SvROK C macro, distinguishing RVs from SVs with, 190

SvTYPE C macro, using with RVs, 191

symbol tables

accessing, 26

using with packages, 25-29

SYNOPSIS section

of DBI, 169

of modules, 67

system wrappers, using with Perl C API, 202-203