The following are subroutines unless specifically indicated as functions.
| Decoding Routines |
CHR_CTOD(string, dvalue, status) | Read a double precision number from a character string. |
CHR_CTOI(string, ivalue, status) | Read an integer number from a character string. |
CHR_CTOL(string, lvalue, status) | Read a logical value from a character string. |
CHR_CTOR(string, rvalue, status) | Read a real number from a character string. |
CHR_DCWRD(string, mxw, nwrd, start, stop,words, lstat) Returns all the words in a string. |
CHR_HTOI(string, ivalue, status) | Read an integer from a hex string. |
CHR_OTOI(string, ivalue, status) | Read an integer from an octal string. |
| Encoding and Formatting Routines |
CHR_CTOC(value, cvalue, nchar) | Write a character value into a string. |
CHR_DTOC(dvalue, cvalue, nchar) | Encode a double precision value as a string. |
CHR_ITOC(ivalue, cvalue, nchar) | Encode an integer value as a string. |
CHR_LTOC(lvalue, cvalue, nchar) | Encode a logical value as a string. |
CHR_RTOC(rvalue, cvalue, nchar) | Encode a real value as a string. |
CHR_PUTC(cvalue, string, length) | Copy one string into another at given position. |
CHR_PUTD(dvalue, string, length) | Put double precision value into string at given position. |
CHR_PUTI(ivalue, string, length) | Put integer value into string at given position. |
CHR_PUTL(lvalue, string, length) | Put logical value into string at given position. |
CHR_PUTR(rvalue, string, length) | Put real value into string at given position. |
CHR_RTOAN(rvalue, units, string, length) | Write a real into character string as hr/deg:min:sec. |
| Enquiry Routines |
CHR_DELIM(string, delim, index1, index2) | Locate substring with given delimiter character. |
CHR_EQUAL(str1, str2) | Determine whether two strings are equal. (Logical function) |
CHR_FANDL(string, index1, index2) | Find the indices of the first and last non-blank characters. |
CHR_FIWE(string, index, status) | Find next end of word. |
CHR_FIWS(string, index, status) | Find start of next word. |
CHR_INDEX(string, substr) | Find the index of a substring in a string. (Integer function) |
CHR_INSET(set, string) | Determine whether a string is a member of a set. (Logical function) |
CHR_ISALF(char) | Determine whether a character is alphabetic. (Logical function) |
CHR_ISALM(char) | Determine whether a character is alphanumeric. (Logical function) |
CHR_ISDIG(char) | Determine whether a character is a digit. (Logical function) |
CHR_ISNAM(string) | Determine whether a string is a valid name. (Logical function) |
CHR_LEN(string) | Find used length of string. (Integer function) |
CHR_SIMLR(str1, str2) | Determine if two strings are equal apart from case. (Logical function) |
CHR_SIZE(string) | Find the declared size of string. (Integer function) |
| String Manipulation Routines |
CHR_APPND(str1, str2, len2) | Copy one string into another – ignoring trailing blanks. |
CHR_CLEAN(string) | Remove all non-printable ASCII characters from a string. |
CHR_COPY(instr, flag, outstr, lstat) | Copy one string to another, checking for truncation. |
CHR_FILL(char, string) | Fill a string with a given character. |
CHR_LCASE(string) | Convert a string to lower case. |
CHR_LDBLK(string) | Remove leading blanks from a string. |
CHR_LOWER(achar) | Give lower case equivalent of a character. (Character function) |
CHR_MOVE(str1, str2) | Move one string into another – ignoring trailing blanks. |
CHR_RMBLK(string) | Remove all blanks from a string in situ. |
CHR_SWAP(c1, c2) | Swap two single-character variables. |
CHR_TERM(length, string) | Terminate string by padding out with blanks. |
CHR_TRUNC(delim, string) | Truncate string rightwards from a given delimiter. |
CHR_UCASE(string) | Convert a string to upper case. |
CHR_UPPER(achar) | Give upper case equivalent of a character. (Character function) |