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Results for “unsigned”
Small, practical examples. Search by task or narrow things down below.
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Convert ASCII text to lowercase safely
C++: Cast each byte to unsigned char before using the cctype function.
C++✓ Tested
Convert ASCII text to lowercase safely
C: Cast to unsigned char before calling ctype functions on a possibly signed char.
C✓ Tested
Convert received ASCII letters to uppercase
Arduino / C: ctype functions should receive an unsigned character value.
Arduino / C✓ Tested
Decode a 16-bit big-endian integer
C: Promote bytes to an unsigned integer type before combining shifted values.
C✓ Tested
Encode a byte buffer as hexadecimal
C: Format each byte as an unsigned two-digit hexadecimal value.
C✓ Tested
Extract successive regex matches
Java: Use a Matcher loop to find all unsigned integer tokens in Java text.
Java✓ Tested
Initialize a byte buffer to zero
C: memset initializes each byte to the chosen unsigned-char value.
C✓ Tested
Read characters without confusing EOF with a byte
C: Store fgetc in int so every unsigned-char value remains distinguishable from EOF.
C✓ Tested
Set and test bit flags
Use unsigned masks to combine and test C flags.
C✓ Tested