Feb 21, 2024 · 1 min read · Using the toupper() function in C The toupper() function in C is used to convert a lowercase character to its uppercase counterpart. For example, the toupper() function would convert the character 'a' to 'A'. The toupper() function takes a character ...
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Feb 21, 2024 · 1 min read · Using the isspace() function in C The isspace() function in C is used to check whether a character is a space. The function takes a character as input and returns a non-zero value if the character is a space, or zero if the character is not a space. ...
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Feb 21, 2024 · 1 min read · Using the isxdigit() function in C The isxdigit() function in C is used to check whether a character is a hexadecimal digit (0-9,a-f,A-F). The function takes a character as input and returns a non-zero value if the character is a hexadecimal digit, o...
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Jun 21, 2023 · 2 min read · Using the ispunct() function in C The ispunct() function in C is used to check whether a character is a punctuation character. The function takes a character as input and returns a non-zero value if the character is a punctuation character, or zero i...
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Jun 21, 2023 · 1 min read · Using the isgraph() function in C The isgraph() function in C is used to check whether a character is a graphical character. The function takes a character as input and returns a non-zero value if the character is a graphical character, or zero if th...
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Jun 21, 2023 · 1 min read · Using the tolower() function in C The tolower() function in C is used to convert an uppercase character to its lowercase counterpart. For example, the tolower() the function would convert the character 'A' to 'a'. The tolower() function takes a chara...
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Jun 21, 2023 · 1 min read · Using the islower() function in C The islower() function in C is used to check whether a character is lowercase. The function takes a character as input and returns a non-zero value if the character is lowercase, or zero if the character is not lower...
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Jun 21, 2023 · 1 min read · Using the iscntrl() function in C The iscntrl() function in C is used to check whether a character is a control character. The function takes a character as input and returns a non-zero value if the character is a control character, or zero if the ch...
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Jun 21, 2023 · 1 min read · Using the isdigit() function in C The isdigit() function in C is used to check whether a character is a digit (0 to 9). The function takes a character as input and returns a non-zero value if the character is a digit, or zero if the character is not ...
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Jun 21, 2023 · 1 min read · Using the isupper() function in C The isupper() function in C is used to check whether a character is uppercase. The function takes a character as input and returns a non-zero value if the character is uppercase, or zero if the character is not upper...
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