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toupper() - ctype.h in c - CodeGK
Δ C References
string.h
strcat()
strcmp()
strcpy()
strlen()
math.h
acos()
acosh()
asin()
asinh()
atan()
atan2()
atanh()
cbrt()
ceil()
cos()
cosh()
exp()
fabs()
floor()
hypot()
log()
log10()
pow()
sin()
sinh()
sqrt()
tan()
tanh()
ctype.h
isalnum()
isalpha()
iscntrl()
isdigit()
isgraph()
islower()
isprint()
ispunct()
isspace()
isupper()
isxdigit()
tolower()
toupper()
♦ toupper() - ctype.h
♣ Example1: toupper()
Input:
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#include <stdio.h> #include <ctype.h> char main() { char c1 = 'b'; char r1 = toupper(c1); printf("%c\n", r1); char c2 = '6'; char r2 = toupper(c2); printf("%c\n", r2); char c3 = 'p'; char r3 = toupper(c3); printf("%c\n", r3); char c4 = 'A'; char r4 = toupper(c4); printf("%c\n", r4); return 'm'; }
Output:
