Lecture 9 Flashcards
1
Q
Why has unix evolved to use single letter arguments?
A
Because it’s easier to use -af instead of -a -f
2
Q
What does stlen do?
A
Returns the number of characters in the string?
3
Q
What does strcmp do?
A
Compare two strings
4
Q
strcopy?
A
Copy one string to another
5
Q
What does strcat do?
A
Append one string to another
6
Q
What does strchr do?
A
Search a string for one character
7
Q
What is strstr?
A
Search for a string for a substring
8
Q
What is strtok?
A
Extract the next token from a string
9
Q
What does fgets do?
A
Read in a string
10
Q
What does sscanf do?
A
Extracts elements from a string
11
Q
What does snprintf do?
A
Create a string from a pattern
12
Q
how do we check for a letter?
A
isalpha
13
Q
How do we check for a digit?
A
isdigit
14
Q
How do we check for a lower case letter?
A
islower
15
Q
How do we check for an upper case alpha?
A
isupper
