Index_F

F

fast lexical analyzer generator. See flex

fclose function, 118, 122, 123

fdopen function, 120, 130, 133

fflush function, 116

fgetpos function, 129130

fgets function, 117120, 143144

FIFO queuing, 143

file

extensions, changing during compilation, 51

handles, 114116

test operators (table), 355

utility, 6970

file handling

APIs (table), 134

with GNU/Linux, 113125

files

opening, 114116

ordering with gprof, 93

filesystems

proc, 319

Virtual File System (VFS), 1415

filter function, 49

find command, 330

find utility, 342343

flat profiles, 89

flawfinder tool, 463

flex tool, using, 396400, 412414

floating-point values in strings, 121

fopen function, 114116, 128, 129, 463

for loops , in bash scripting, 360361

fork API

creating processes with, 174

creating subprocesses with, 176178

function, 139, 184185

forking

license distribution, 22

processes, 174

fprintf function, 119, 122

fputc , fpute, fputs functions, 117, 119, 120

FQDN (Fully Qualified Domain Name ), 167

frameworks

C Unit Test system (cut), 425430

unit testing generally , 417419

unit testing specifically , 420425

fread function, 125, 127, 128, 129

free software development vs. open source, 1920

Free Software Foundation (FSF), 6

fscanf function, 119, 123

fscant, 124125

fseek function, 130

fseek/ lseek whence arguments (table), 127

fsetpos function, 129130

ftell function, 129130

ftok function, 269

Fully Qualified Domain Name (FQDN), 167

functions

See also specific function

avoiding buffer overflows, 454455

declaring variables as local to, 367

Embunit test (table), 430

identifying unused, 94

memory locking, unlocking, 323

returning values from, 365

string manipulation, 49

string, using safe, 454

using in bash scripting, 363365

writing self-protective, 460461

fwrite function, 125, 126, 463