71. Which among the following is Copying function?
72. Which function tests for any character that is an uppercase letter.
73. No library function will store a zero in errno.
74. The . . . . . . . . function tests for any hexadecimal-digit character.
75. What does the following C code do?
int iscntrl( int c);
int iscntrl( int c);76. Which of the given function is used to return a pointer to the located character?
77. What will the following C code do?
char * strrchr(const char *s, int c )
char ch = c;
char *sc;
for(sc = NULL; ; ++s)
if(*s == ch)
SC = 9;
i f (*s =='\O' )
return (( char *) s);
char * strrchr(const char *s, int c )
char ch = c;
char *sc;
for(sc = NULL; ; ++s)
if(*s == ch)
SC = 9;
i f (*s =='\O' )
return (( char *) s);78. Which function returns true only for the characters defined as lowercase letters?
79. The . . . . . . . . function returns the number of characters that are present before the terminating null character.
80. The . . . . . . . . function appends not more than n characters.
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