CLP-12-01

What system call is used to obtain error number information?A . close()B . errnoC . access()D . read()View AnswerAnswer: B Explanation: errno is a variable that stores the error number from system calls indicating the type of error that occurred.

When dealing with specialized programming considerations in C, what is the role of compiler flags?A . Compiler flags control optimization levelsB . Compiler flags are only used for debugging purposesC . Compiler flags have no impact on program executionD . Compiler flags determine the programming language versionView AnswerAnswer: A Explanation:...

What is thread safety in the context of process and thread management?A . Ensuring that a shared data structure can be accessed by multiple threads simultaneously without causing conflictsB . Ensuring that threads are terminated safelyC . Ensuring that only one process can run at a timeD . Ensuring the...

What function is used to search for a substring within a string in C?A . strpos()B . strstr()C . strfind()D . strchr()View AnswerAnswer: B Explanation: The strstr() function is used to search for a substring within a string in C.

What is the purpose of the memset() function in C?A . To find the length of a stringB . To convert a string to uppercaseC . To fill a block of memory with a particular valueD . To compare two stringsView AnswerAnswer: C Explanation: The memset() function is used to...

What is the range of values that can be represented by a signed int data type in C?A . -32768 to 32767B . -256 to 255C . -128 to 127D . -2147483648 to 2147483647View AnswerAnswer: D Explanation: The range of values for a signed int data type in C is...

In the context of managing Unix and Windows processes, what is a PID?A . Priority In DispatchB . Program IdentifierC . Process Identification NumberD . Process IndicatorView AnswerAnswer: C Explanation: PID stands for Process Identification Number in managing Unix and Windows processes.

What is the purpose of the va_copy macro in <stdarg.h>?A . To initialize the argument list pointer to the first variable parameter.B . To retrieve the next argument from the argument list.C . To copy a variable argument list.D . To end the processing of the variable argument list.View AnswerAnswer:...

What function is used to copy a string in C?A . strcpy()B . strcat()C . memcpy()D . strncpy()View AnswerAnswer: A Explanation: strcpy() is used to copy a string in C.

What is the purpose of the "connect" function in socket programming?A . To accept incoming connectionsB . To close a connectionC . To send data to a serverD . To establish a connection with a remote hostView AnswerAnswer: D Explanation: The "connect" function in socket programming is used to establish...